Home / 993,833.80-1,490,750.70-328,899.40

Finding the Fourth Proportional to 993,833.80, 1,490,750.70 and 328,899.40

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Solution

The fourth proportional to 993,833.80, 1,490,750.70 and 328,899.40 is: 493,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,833.80 : 1,490,750.70 = 328,899.40 : x
  2. Step 2: Convert to fraction form
    993,833.80/1,490,750.70 = 328,899.40/x
  3. Step 3: Cross multiply
    993,833.80x = 1,490,750.70 × 328,899.40
  4. Step 4: Simplify right side
    993,833.80x = 490,307,010,779.58
  5. Step 5: Solve for x
    x = 490,307,010,779.58/993,833.80
  6. Step 6: Final answer
    x = 493,349.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.